// Copyright (C) 2005 Taylor L. Riché <riche@cs.utexas.edu>
//  
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software 
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// 	$Id: Reader.cc 93 2005-08-02 17:35:11Z richetl $	
//

#include "Reader.hh"

std::string
reader::Reader::getLine()
{
  const std::string PROMPT = "(lee) ";

  /* If the buffer has already been allocated,
     return the memory to the free pool. */
  if (line_read)
    {
      free(line_read);
      line_read = NULL;
    }

  /* Get a line from the user. */
  line_read = readline (PROMPT.c_str());

  /* If the line has any text in it,
     save it on the history. */
  if (line_read && *line_read)
    add_history(line_read);

  return line_read;
}
